CFR›Title 31›Subtitle B›Chapter II›Part 315›Subpart A ContainsSections 315.0–315.3CorpusDaily eCFRDisplayed edition2026-04-28Last updated2026-04-28 Subpart A—General Information Sections 315.0 § 315.0 Applicability. 315.1 § 315.1 Official agencies. 315.2 § 315.2 Definitions. 315.3 § 315.3 Converting definitive savings bonds to book-entry bonds in New Treasury Direct. Next B Subpart B—Registration